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PM40-R22M

Bourns Inc.

1812 (4532 Metric)
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Description

FIXED IND 220NH 450MA 320 MOHM

Specifications

Inductance
220 nH
Current Rating
450 mA
DC Resistance (DCR)
320mOhm Max
Dimensions
0.177" L x 0.126" W (4.50mm x 3.20mm)

Parameter Guide

Understand the key electrical and mechanical specifications for PM40-R22M.

Inductance
220 nH

PM40-R22M has an inductance value of 220 nH. This value indicates how much magnetic energy the component can store and is one of the first parameters to compare when selecting an inductor.

Current Rating
450 mA

PM40-R22M is rated for 450 mA. Current rating helps determine whether the part can carry the expected DC or RMS current without excessive heating or saturation risk.

DC Resistance (DCR)
320mOhm Max

PM40-R22M lists a DC resistance of 320mOhm Max. Lower DCR usually reduces conduction loss and improves efficiency in power circuits.

Package / Case
1812 (4532 Metric)

PM40-R22M uses a package or case of 1812 (4532 Metric). Package size affects PCB footprint, height clearance, thermal behavior, and compatibility with automated assembly.

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Product Attributes

Datasheet record
Source documentLast updated: 6/11/2026
Inductance220 nH
Tolerance±20%
Current Rating450 mA
DC Resistance (DCR)320mOhm Max
Operating Temperature-55°C ~ 125°C
Dimensions0.177" L x 0.126" W (4.50mm x 3.20mm)
Case / Size1812 (4532 Metric)
Package / Case1812 (4532 Metric)
SupplierBourns Inc.
DescriptionFIXED IND 220NH 450MA 320 MOHM
SeriesPM40
Product StatusObsolete
Type / ConstructionMolded
Core MaterialNon-Magnetic
ShieldingUnshielded
Q @ Frequency30 @ 25.2MHz
Self Resonant Frequency350MHz
Inductance Test Frequency25.2 MHz
Mounting TypeSurface Mount
Supplier Device Package1812
Height - Seated (Max)0.126" (3.20mm)

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